Parks & Trails

Climbing

Learn more about climbing in Jeffco.

Human-Wildlife Interactions

JCOS System Map

The Jeffco Open Space system includes 56,000 acres of preserved land, 27 parks, and 261 miles of trail. A variety of recreational opportunities are available on multi-use trails. Visit individual park pages for park-specific information.

Parking

Learn more about parking at Open Space Parks and Trails.

Parks

Find information about the Jefferson County parks.

Trails

The Jeffco Open Space system has 261 miles of trail span. Learn about the trail difficulty ratings, trails development handbook, and trail courtesy.

Recreation

Jeffco Open Space parks are an ideal setting for a wide range of recreation.

Permits & Reservations

Find information about hosting an event or organized activity at an Open Space park.